<!DOCTYPE html>
<html>
<head>
	<title>JavaScript 数组和对象</title>
	<meta charset="utf-8">
	<script type="text/javascript">
		var arr = [1,2,3,4,5,323,35];
		console.log(arr[4]);
		console.log(arr.length);
		
		var obj = {name: "tom", age : 20};
		console.log(obj.name);
		console.log(obj["age"]);

		
	</script>
</head>
<body>

</body>
</html>